package com.itheima.d1_arrays;

import java.util.Arrays;
import java.util.Comparator;

public class ArraysTest2{
    public static void main(String[] args) {
        // 目标：掌握如何对数组中的对象进行排序。
        Student[] students = new Student[4];
        students[0] = new Student("蜘蛛精", 169.5, 23);
        students[1] = new Student("紫霞", 162.8, 26);
        students[2] = new Student("紫霞", 163.8, 26);
        students[3] = new Student("至尊宝", 167.5, 24);

        // 1、public static void sort(类型[] arr)：对数组进行排序。

/*        Arrays.sort(students);
        System.out.println(students);*/

        // 2、public static <T> void sort(T[] arr, Comparator<? super T> c)
        Arrays.sort(students,(o1, o2) -> o1.getAge() - o2.getAge() != 0 ? o1.getAge() - o2.getAge()
                : Double.compare(o2.getHeight(),o1.getHeight())

//                return o1.getAge() - o2.getAge();
//                return Double.compare(o2.getHeight(),o1.getHeight());

/*                int result = o1.getAge() - o2.getAge();
                if(result == 0){
                    return result;
                }else {
                    return Double.compare(o2.getHeight(),o1.getHeight());
                }*/
        );
        System.out.println(Arrays.toString(students));
    }
}
